african
background
black
caucasian
civil
construction
corporate
cressed arms
crosse
crossed arms
engineer
engineering
factory
female
group
happy
hardhat
helmet
industrial
industry
job
leadership
male
man
men
occupation
operating
people
person
portrait
professional
professional woman
project
protection
safety
security
site
smile
specialist
success
successful
team
teamwork
technical
technician
uniform
woman
work
worker
workplace